A dungeon bastard is a slang term used by D&D players to describe a mean or unfair dungeon master, such as one who unfairly kills or torments the group or a specific character. The "bastard" rhymes with master, so it works.
Joe: John, Mark is such a dungeon bastard!
John: I know man.
Mark: You know I can hear you, right?
Joe: ...
John: ...
Mark: ...
by Flooper January 4, 2017
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